Alert archive / Illinois / Tornado Warnings in 2026

Tornado Warning 70, NWS St. Louis, MO

June 21, 2026Bond County, Fayette County, Marion County, Illinois

NWS St. Louis, MO issued this tornado warning at Jun 21, 2026, 5:07 PM CDT for Bond County, Fayette County, Marion County, Illinois. It was in force for 38 min. 5 reports came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued
Jun 21, 2026, 5:07 PM CDT (22:07 UTC)
Expired
Jun 21, 2026, 5:45 PM CDT
In force
38 min
Issued by
NWS St. Louis, MO
Area
Storm-based polygon
Tornado
Radar indicated
Hail
1.0 in

Counties Bond County, IL, Fayette County, IL, Marion County, IL

The radar

The St Louis radar (KLSX), 132 km from the middle of the area, began a volume at 22:07 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

What was reported inside it

TimeReportWhereRemark
Jun 21, 5:11 PM CDTFUNNEL CLOUD3 W Saint Paul, ILReport of funnel cloud from Fox 2 Storm Runner broadcast.
Jun 21, 5:11 PM CDTTSTM WND DMG3 Nnw Saint Paul, IL2 cabins were damaged by fallen tree limbs and 1 fallen tree.
Jun 21, 5:11 PM CDTTORNADO3 W Saint Paul, ILCorrects previous funnel cloud report from 3 W Saint Paul. Report of funnel cloud from Fox 2 Storm Runner broadcast. Funnel reportedly touched ground briefly.
Jun 21, 5:26 PM CDTTORNADO2 Nne Vernon, ILFox 2 Storm Runner caught brief touchdown about 1 mile north of Vernon just east of Hwy 51.
Jun 21, 5:27 PM CDTTORNADO2 S Shobonier, ILVideo from around 1/2 mile south of the Marion/Fayette county line shows a weak tornado to the north of a treeline along the county line. Just to the west of the tornado in that video, NWS storm survey found minor (EF-0) damage slightly north of the county lin

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Jun 21, 1:28 PM CDTTornado WatchSPC9 hr

The nearest sounding before it

Lincoln, IL (KILX), launched 12:00Z, 10.1 hours before the alert went out and 155 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.

Skew-T log-pSkew-T log-p diagram, Lincoln, IL at 12:00Z on 2026-06-21Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Lincoln, IL at 12:00Z on 2026-06-21The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 10 square meters per square second.19395878Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1482 m above ground
0-6 km bulk shear
41 kt
0-1 km storm-relative helicity
10 m²/s²
0-3 km storm-relative helicity
35 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

440 
WFUS53 KLSX 212207
TORLSX
ILC005-051-121-212245-
/O.NEW.KLSX.TO.W.0070.260621T2207Z-260621T2245Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service St Louis MO
507 PM CDT Sun Jun 21 2026

The National Weather Service in St Louis has issued a

* Tornado Warning for...
  Southeastern Bond County in south central Illinois...
  Southwestern Fayette County in south central Illinois...
  Northwestern Marion County in south central Illinois...

* Until 545 PM CDT.

* At 507 PM CDT, a severe thunderstorm capable of producing a tornado
  was located over Tamalco, or 7 miles southeast of Greenville,
  moving east at 35 mph.

  HAZARD...Tornado and quarter size hail.

  SOURCE...Radar indicated rotation.

  IMPACT...Flying debris will be dangerous to those caught without
           shelter. Mobile homes will be damaged or destroyed. Damage
           to roofs, windows and vehicles will occur. Tree damage is
           likely.

* Locations impacted include...
  Smithboro, Tamalco, Pleasant Mound, Keyesport, Pittsburg, Vernon,
  Shobonier, Patoka, St. Paul and Alma.

This includes the following State Parks...
Carlyle Lake State Fish and Wildlife Area.

This includes Interstate 57 in Illinois near exit 127.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Move to an interior room on the lowest floor of a well-built building
away from windows. If you are outdoors, in a mobile home, or in a
vehicle, move to the closest substantial shelter and protect yourself
from flying debris.

&&

LAT...LON 3890 8936 3895 8890 3871 8889 3874 8914
      3874 8935
TIME...MOT...LOC 2207Z 267DEG 29KT 3881 8930

TORNADO...RADAR INDICATED
MAX HAIL SIZE...1.00 IN

$$

BSH
4 follow-up statements
426 
WWUS53 KLSX 212214
SVSLSX

Severe Weather Statement
National Weather Service St Louis MO
514 PM CDT Sun Jun 21 2026

ILC005-212224-
/O.CAN.KLSX.TO.W.0070.000000T0000Z-260621T2245Z/
Bond IL-
514 PM CDT Sun Jun 21 2026

...TORNADO WARNING IS CANCELLED FOR SOUTHEASTERN BOND COUNTY...

The storm which prompted the warning has moved out of the area.
Therefore, the warning has been cancelled.

A Tornado Watch remains in effect until 900 PM CDT Sunday for a
portion of south central Illinois.

&&

LAT...LON 3887 8926 3895 8890 3871 8889 3874 8914
      3874 8925 3880 8925
TIME...MOT...LOC 2207Z 267DEG 29KT 3881 8929

$$


ILC051-121-212245-
/O.CON.KLSX.TO.W.0070.000000T0000Z-260621T2245Z/
Fayette IL-Marion IL-
514 PM CDT Sun Jun 21 2026

...TORNADO WARNING REMAINS IN EFFECT UNTIL 545 PM CDT FOR
SOUTHWESTERN FAYETTE AND NORTHWESTERN MARION COUNTIES IN SOUTH
CENTRAL ILLINOIS...

At 514 PM CDT, a severe thunderstorm capable of producing a tornado
was located 5 miles northeast of Tamalco, or 11 miles southeast of
Greenville, moving east at 35 mph.

HAZARD...Tornado and quarter size hail.

SOURCE...Radar indicated rotation.

IMPACT...Flying debris will be dangerous to those caught without
         shelter. Mobile homes will be damaged or destroyed. Damage
         to roofs, windows and vehicles will occur. Tree damage is
         likely.

Locations impacted include...
  Pittsburg, Vernon, Shobonier, Patoka, St. Paul and Alma.

This includes the following State Parks...
Carlyle Lake State Fish and Wildlife Area.

This includes Interstate 57 in Illinois near exit 127.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Move to an interior room on the lowest floor of a well-built building
away from windows. If you are outdoors, in a mobile home, or in a
vehicle, move to the closest substantial shelter and protect yourself
from flying debris.

&&

LAT...LON 3887 8926 3895 8890 3871 8889 3874 8914
      3874 8925 3880 8925
TIME...MOT...LOC 2207Z 267DEG 29KT 3881 8929

TORNADO...RADAR INDICATED
MAX HAIL SIZE...1.00 IN

$$

BSH
218 
WWUS53 KLSX 212224
SVSLSX

Severe Weather Statement
National Weather Service St Louis MO
524 PM CDT Sun Jun 21 2026

ILC051-121-212245-
/O.CON.KLSX.TO.W.0070.000000T0000Z-260621T2245Z/
Fayette IL-Marion IL-
524 PM CDT Sun Jun 21 2026

...TORNADO WARNING REMAINS IN EFFECT UNTIL 545 PM CDT FOR
SOUTHWESTERN FAYETTE AND NORTHWESTERN MARION COUNTIES IN SOUTH
CENTRAL ILLINOIS...

At 524 PM CDT, a severe thunderstorm capable of producing a tornado
was located near Shobonier, or 11 miles south of Vandalia, moving
east at 35 mph.

HAZARD...Tornado.

SOURCE...Radar indicated rotation.

IMPACT...Flying debris will be dangerous to those caught without
         shelter. Mobile homes will be damaged or destroyed. Damage
         to roofs, windows and vehicles will occur. Tree damage is
         likely.

Locations impacted include...
  Vernon, Shobonier, Patoka, St. Paul and Alma.

This includes Interstate 57 in Illinois near exit 127.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Move to an interior room on the lowest floor of a well-built building
away from windows. If you are outdoors, in a mobile home, or in a
vehicle, move to the closest substantial shelter and protect yourself
from flying debris.

&&

LAT...LON 3886 8916 3891 8890 3871 8889 3874 8914
      3874 8915
TIME...MOT...LOC 2214Z 267DEG 29KT 3882 8922

TORNADO...RADAR INDICATED
MAX HAIL SIZE...<1.00 IN

$$

BSH
458 
WWUS53 KLSX 212236
SVSLSX

Severe Weather Statement
National Weather Service St Louis MO
536 PM CDT Sun Jun 21 2026

ILC051-121-212245-
/O.CON.KLSX.TO.W.0070.000000T0000Z-260621T2245Z/
Fayette IL-Marion IL-
536 PM CDT Sun Jun 21 2026

...TORNADO WARNING REMAINS IN EFFECT UNTIL 545 PM CDT FOR SOUTH
CENTRAL FAYETTE AND NORTH CENTRAL MARION COUNTIES IN SOUTH CENTRAL
ILLINOIS...

At 536 PM CDT, a confirmed tornado was located 1 mile north of
Vernon, IL, moving east at 35 mph.

HAZARD...Damaging tornado.

SOURCE...Broadcast media confirmed tornado.

IMPACT...Flying debris will be dangerous to those caught without
         shelter. Mobile homes will be damaged or destroyed. Damage
         to roofs, windows and vehicles will occur. Tree damage is
         likely.

Locations impacted include...
  St. Paul and Alma.

This includes Interstate 57 in Illinois near exit 127.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Move to an interior room on the lowest floor of a well-built building
away from windows. If you are outdoors, in a mobile home, or in a
vehicle, move to the closest substantial shelter and protect yourself
from flying debris.

&&

LAT...LON 3882 8904 3886 8903 3889 8890 3871 8889
      3877 8905
TIME...MOT...LOC 2224Z 267DEG 29KT 3882 8911

TORNADO...OBSERVED
MAX HAIL SIZE...<1.00 IN

$$

BSH
548 
WWUS53 KLSX 212244
SVSLSX

Severe Weather Statement
National Weather Service St Louis MO
544 PM CDT Sun Jun 21 2026

ILC051-121-212254-
/O.EXP.KLSX.TO.W.0070.000000T0000Z-260621T2245Z/
Fayette IL-Marion IL-
544 PM CDT Sun Jun 21 2026

...TORNADO WARNING WILL EXPIRE AT 545 PM CDT FOR SOUTH CENTRAL
FAYETTE AND NORTH CENTRAL MARION COUNTIES IN SOUTH CENTRAL
ILLINOIS...

The storm which prompted the warning has moved out of the area.
Therefore, the warning will be allowed to expire. A Tornado Warning
still remains in effect for southeastern Fayette and northeastern
Marion counties.

A Tornado Watch remains in effect until 900 PM CDT Sunday for a
portion of south central Illinois.

&&

LAT...LON 3882 8904 3886 8903 3889 8890 3871 8889
      3877 8905
TIME...MOT...LOC 2236Z 267DEG 29KT 3882 8899

$$

BSH

The office that day

Everything else NWS St. Louis, MO issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jun 21, 2:47 PM CDTSevere Thunderstorm WarningLSXFayette43 min
Jun 21, 2:54 PM CDTTornado WarningLSXBond, Madison36 min
Jun 21, 3:03 PM CDTTornado WarningLSXFayette15 min
Jun 21, 3:23 PM CDTTornado WarningLSXBond, Fayette52 min
Jun 21, 3:26 PM CDTFlash Flood WarningLSXBond, Fayette, Montgomery4 hr
Jun 21, 3:44 PM CDTFlash Flood WarningLSXFayette6 hr
Jun 21, 3:45 PM CDTTornado WarningLSXFayette, Marion60 min
Jun 21, 4:27 PM CDTFlash Flood WarningLSXMarion6 hr
Jun 21, 5:02 PM CDTTornado WarningLSXClinton, Madison, Saint Clair43 min
Jun 21, 5:19 PM CDTTornado WarningLSXFayette, Marion41 min
Jun 21, 5:35 PM CDTSevere Thunderstorm WarningLSXClinton, Marion70 min
Jun 21, 5:40 PM CDTTornado WarningLSXMarion39 min
Jun 21, 5:43 PM CDTSevere Thunderstorm WarningLSXClinton39 min
Jun 21, 5:50 PM CDTTornado WarningLSXClinton32 min
Jun 21, 6:08 PM CDTTornado WarningLSXMarion10 min
Jun 21, 6:15 PM CDTTornado WarningLSXMarion37 min

Nearby

Tornado Warnings in Illinois, 2026Every tornado warning in 2026Tornadoes in 2026

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.